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authorJiri Olsa <jolsa@redhat.com>2017-02-17 15:00:54 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-02-17 16:04:38 -0300
commit85e0d509654c2e2e58b29e50a883acd4c4e8807d (patch)
treeac665a573b5ae0d40c634881374a05d4e133e3c4 /tools/build
parentda8a58b56c661681f9b2fd2fa59c6da3a5bac8d1 (diff)
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perf build: Add special fixdep cleaning rule
Ingo reported following build failure: On Sat, Feb 11, 2017 at 12:12:34PM +0100, Ingo Molnar wrote: > > So I had this oldish 32-bit 15.10 Ubuntu installation around (fully updated), and > trying to build perf gave me: > > deimos:~/tip/tools/perf> make > BUILD: Doing 'make -j4' parallel build > make[3]: *** No rule to make target '/usr/include/x86_64-linux-gnu/sys/types.h', needed by 'fixdep.o'. Stop. > Makefile:42: recipe for target 'fixdep-in.o' failed > make[2]: *** [fixdep-in.o] Error 2 > /home/mingo/tip/tools/build/Makefile.include:4: recipe for target 'fixdep' failed > make[1]: *** [fixdep] Error 2 > Makefile:68: recipe for target 'all' failed > make: *** [all] Error 2 > > Now this got a bit better after I did a 'make mrproper' in the kernel tree: > > deimos:~/tip/tools/perf> make > BUILD: Doing 'make -j4' parallel build > HOSTCC fixdep.o > /home/mingo/tip/tools/build/fixdep: 1: /home/mingo/tip/tools/build/fixdep: Syntax error: "(" unexpected > /home/mingo/tip/tools/build/Makefile.build:101: recipe for target 'fixdep.o' failed > make[3]: *** [fixdep.o] Error 2 > Makefile:42: recipe for target 'fixdep-in.o' failed > make[2]: *** [fixdep-in.o] Error 2 > /home/mingo/tip/tools/build/Makefile.include:4: recipe for target 'fixdep' failed > make[1]: *** [fixdep] Error 2 > Makefile:68: recipe for target 'all' failed > make: *** [all] Error 2 > > After some digging it turns out that my 'fixdep' binary was 64-bit: > > deimos:~/tip/tools/perf> file /home/mingo/tip/tools/build/fixdep > /home/mingo/tip/tools/build/fixdep: ELF 64-bit LSB executable, x86-64, version 1 > (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux > 2.6.32, BuildID[sha1]=d527f736b57b5ba47210fbcb562a3b52867d21c1, not stripped > > But it did not get cleaned out by 'make clean'. > > Only after I did a 'make clean' in tools/ itself, did it get built properly. It shows we don't clean up properly the fixdep objects, so adding special rule for that. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Reported-by: Ingo Molnar <mingo@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1487340058-10496-2-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build')
-rw-r--r--tools/build/Makefile4
-rw-r--r--tools/build/Makefile.include3
2 files changed, 5 insertions, 2 deletions
diff --git a/tools/build/Makefile b/tools/build/Makefile
index aaf7ed329a45..477f00eda591 100644
--- a/tools/build/Makefile
+++ b/tools/build/Makefile
@@ -35,8 +35,8 @@ all: $(OUTPUT)fixdep
clean:
$(call QUIET_CLEAN, fixdep)
- $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
- $(Q)rm -f fixdep
+ $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
+ $(Q)rm -f $(OUTPUT)fixdep
$(OUTPUT)fixdep-in.o: FORCE
$(Q)$(MAKE) $(build)=fixdep
diff --git a/tools/build/Makefile.include b/tools/build/Makefile.include
index ad22e4e7bc59..d360f39a445b 100644
--- a/tools/build/Makefile.include
+++ b/tools/build/Makefile.include
@@ -3,4 +3,7 @@ build := -f $(srctree)/tools/build/Makefile.build dir=. obj
fixdep:
$(Q)$(MAKE) -C $(srctree)/tools/build CFLAGS= LDFLAGS= $(OUTPUT)fixdep
+fixdep-clean:
+ $(Q)$(MAKE) -C $(srctree)/tools/build clean
+
.PHONY: fixdep